First pass at asynchronous input loading in dart2js.

tests/compiler/dart2js/simple_inferrer_test.dart

Index: tests/compiler/dart2js/simple_inferrer_test.dart
diff --git a/tests/compiler/dart2js/simple_inferrer_test.dart b/tests/compiler/dart2js/simple_inferrer_test.dart
index 000bcd28cacb1fae46da3884f08a821a6ca981ef..499f1546bb1c3606a81bf11c75e6743cef8a5477 100644
--- a/tests/compiler/dart2js/simple_inferrer_test.dart
+++ b/tests/compiler/dart2js/simple_inferrer_test.dart
@@ -484,107 +484,109 @@ main() {
 void main() {
   Uri uri = new Uri(scheme: 'source');
   var compiler = compilerFor(TEST, uri);
-  compiler.runCompiler(uri);
-  var typesInferrer = compiler.typesTask.typesInferrer;
-
-  checkReturn(String name, type) {
-    var element = findElement(compiler, name);
-    Expect.equals(
-        type,
-        typesInferrer.internal.returnTypeOf[element].simplify(compiler),
-        name);
-  }
-  var interceptorType =
-      findTypeMask(compiler, 'Interceptor', 'nonNullSubclass');
-
-  checkReturn('returnNum1', typesInferrer.numType);
-  checkReturn('returnNum2', typesInferrer.numType);
-  checkReturn('returnInt1', typesInferrer.intType);
-  checkReturn('returnInt2', typesInferrer.intType);
-  checkReturn('returnDouble', typesInferrer.doubleType);
-  checkReturn('returnGiveUp', interceptorType);
-  checkReturn('returnInt5', typesInferrer.intType);
-  checkReturn('returnInt6', typesInferrer.intType);
-  checkReturn('returnIntOrNull', typesInferrer.intType.nullable());
-  checkReturn('returnInt3', typesInferrer.intType);
-  checkReturn('returnDynamic', typesInferrer.dynamicType);
-  checkReturn('returnInt4', typesInferrer.intType);
-  checkReturn('returnInt7', typesInferrer.intType);
-  checkReturn('returnInt8', typesInferrer.intType);
-  checkReturn('returnDynamic1', typesInferrer.dynamicType);
-  checkReturn('returnDynamic2', typesInferrer.dynamicType);
-  TypeMask intType = new TypeMask.nonNullSubtype(compiler.intClass.rawType);
-  checkReturn('testIsCheck1', intType);
-  checkReturn('testIsCheck2', intType);
-  checkReturn('testIsCheck3', intType.nullable());
-  checkReturn('testIsCheck4', intType);
-  checkReturn('testIsCheck5', intType);
-  checkReturn('testIsCheck6', typesInferrer.dynamicType);
-  checkReturn('testIsCheck7', intType);
-  checkReturn('testIsCheck8', typesInferrer.dynamicType);
-  checkReturn('testIsCheck9', intType);
-  checkReturn('testIsCheck10', typesInferrer.dynamicType);
-  checkReturn('testIsCheck11', intType);
-  checkReturn('testIsCheck12', typesInferrer.dynamicType);
-  checkReturn('testIsCheck13', intType);
-  checkReturn('testIsCheck14', typesInferrer.dynamicType);
-  checkReturn('testIsCheck15', intType);
-  checkReturn('testIsCheck16', typesInferrer.dynamicType);
-  checkReturn('testIsCheck17', intType);
-  checkReturn('testIsCheck18', typesInferrer.dynamicType);
-  checkReturn('testIsCheck19', typesInferrer.dynamicType);
-  checkReturn('testIsCheck20', typesInferrer.dynamicType.nonNullable());
-  checkReturn('returnAsString',
-      new TypeMask.subtype(compiler.stringClass.computeType(compiler)));
-  checkReturn('returnIntAsNum', typesInferrer.intType);
-  checkReturn('returnAsTypedef', typesInferrer.functionType.nullable());
-  checkReturn('returnTopLevelGetter', typesInferrer.intType);
-  checkReturn('testDeadCode', typesInferrer.intType);
-  checkReturn('testLabeledIf', typesInferrer.intType.nullable());
-  checkReturn('testSwitch1', typesInferrer.intType
-      .union(typesInferrer.doubleType, compiler).nullable().simplify(compiler));
-  checkReturn('testSwitch2', typesInferrer.intType);
-  checkReturn('testSwitch3', interceptorType.nullable());
-  checkReturn('testSwitch4', typesInferrer.intType);
-  checkReturn('testContinue1', interceptorType.nullable());
-  checkReturn('testBreak1', interceptorType.nullable());
-  checkReturn('testContinue2', interceptorType.nullable());
-  checkReturn('testBreak2', typesInferrer.intType.nullable());
-  checkReturn('testReturnElementOfConstList1', typesInferrer.intType);
-  checkReturn('testReturnElementOfConstList2', typesInferrer.intType);
-  checkReturn('testReturnItselfOrInt', typesInferrer.intType);
-  checkReturn('testReturnInvokeDynamicGetter', typesInferrer.dynamicType);
-
-  checkReturnInClass(String className, String methodName, type) {
-    var cls = findElement(compiler, className);
-    var element = cls.lookupLocalMember(buildSourceString(methodName));
-    Expect.equals(type,
-        typesInferrer.internal.returnTypeOf[element].simplify(compiler));
-  }
+  compiler.runCompiler(uri).then((_) {
+    var typesInferrer = compiler.typesTask.typesInferrer;
+
+    checkReturn(String name, type) {
+      var element = findElement(compiler, name);
+      Expect.equals(
+          type,
+          typesInferrer.internal.returnTypeOf[element].simplify(compiler),
+          name);
+    }
+    var interceptorType =
+        findTypeMask(compiler, 'Interceptor', 'nonNullSubclass');
+
+    checkReturn('returnNum1', typesInferrer.numType);
+    checkReturn('returnNum2', typesInferrer.numType);
+    checkReturn('returnInt1', typesInferrer.intType);
+    checkReturn('returnInt2', typesInferrer.intType);
+    checkReturn('returnDouble', typesInferrer.doubleType);
+    checkReturn('returnGiveUp', interceptorType);
+    checkReturn('returnInt5', typesInferrer.intType);
+    checkReturn('returnInt6', typesInferrer.intType);
+    checkReturn('returnIntOrNull', typesInferrer.intType.nullable());
+    checkReturn('returnInt3', typesInferrer.intType);
+    checkReturn('returnDynamic', typesInferrer.dynamicType);
+    checkReturn('returnInt4', typesInferrer.intType);
+    checkReturn('returnInt7', typesInferrer.intType);
+    checkReturn('returnInt8', typesInferrer.intType);
+    checkReturn('returnDynamic1', typesInferrer.dynamicType);
+    checkReturn('returnDynamic2', typesInferrer.dynamicType);
+    TypeMask intType = new TypeMask.nonNullSubtype(compiler.intClass.rawType);
+    checkReturn('testIsCheck1', intType);
+    checkReturn('testIsCheck2', intType);
+    checkReturn('testIsCheck3', intType.nullable());
+    checkReturn('testIsCheck4', intType);
+    checkReturn('testIsCheck5', intType);
+    checkReturn('testIsCheck6', typesInferrer.dynamicType);
+    checkReturn('testIsCheck7', intType);
+    checkReturn('testIsCheck8', typesInferrer.dynamicType);
+    checkReturn('testIsCheck9', intType);
+    checkReturn('testIsCheck10', typesInferrer.dynamicType);
+    checkReturn('testIsCheck11', intType);
+    checkReturn('testIsCheck12', typesInferrer.dynamicType);
+    checkReturn('testIsCheck13', intType);
+    checkReturn('testIsCheck14', typesInferrer.dynamicType);
+    checkReturn('testIsCheck15', intType);
+    checkReturn('testIsCheck16', typesInferrer.dynamicType);
+    checkReturn('testIsCheck17', intType);
+    checkReturn('testIsCheck18', typesInferrer.dynamicType);
+    checkReturn('testIsCheck19', typesInferrer.dynamicType);
+    checkReturn('testIsCheck20', typesInferrer.dynamicType.nonNullable());
+    checkReturn('returnAsString',
+        new TypeMask.subtype(compiler.stringClass.computeType(compiler)));
+    checkReturn('returnIntAsNum', typesInferrer.intType);
+    checkReturn('returnAsTypedef', typesInferrer.functionType.nullable());
+    checkReturn('returnTopLevelGetter', typesInferrer.intType);
+    checkReturn('testDeadCode', typesInferrer.intType);
+    checkReturn('testLabeledIf', typesInferrer.intType.nullable());
+    checkReturn('testSwitch1', typesInferrer.intType
+        .union(typesInferrer.doubleType, compiler)
+        .nullable().simplify(compiler));
+    checkReturn('testSwitch2', typesInferrer.intType);
+    checkReturn('testSwitch3', interceptorType.nullable());
+    checkReturn('testSwitch4', typesInferrer.intType);
+    checkReturn('testContinue1', interceptorType.nullable());
+    checkReturn('testBreak1', interceptorType.nullable());
+    checkReturn('testContinue2', interceptorType.nullable());
+    checkReturn('testBreak2', typesInferrer.intType.nullable());
+    checkReturn('testReturnElementOfConstList1', typesInferrer.intType);
+    checkReturn('testReturnElementOfConstList2', typesInferrer.intType);
+    checkReturn('testReturnItselfOrInt', typesInferrer.intType);
+    checkReturn('testReturnInvokeDynamicGetter', typesInferrer.dynamicType);
+
+    checkReturnInClass(String className, String methodName, type) {
+      var cls = findElement(compiler, className);
+      var element = cls.lookupLocalMember(buildSourceString(methodName));
+      Expect.equals(type,
+          typesInferrer.internal.returnTypeOf[element].simplify(compiler));
+    }
 
-  checkReturnInClass('A', 'returnInt1', typesInferrer.intType);
-  checkReturnInClass('A', 'returnInt2', typesInferrer.intType);
-  checkReturnInClass('A', 'returnInt3', typesInferrer.intType);
-  checkReturnInClass('A', 'returnInt4', typesInferrer.intType);
-  checkReturnInClass('A', 'returnInt5', typesInferrer.intType);
-  checkReturnInClass('A', 'returnInt6', typesInferrer.intType);
-  checkReturnInClass('A', '==', interceptorType);
-
-  checkReturnInClass('B', 'returnInt1', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt2', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt3', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt4', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt5', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt6', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt7', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt8', typesInferrer.intType);
-  checkReturnInClass('B', 'returnInt9', typesInferrer.intType);
-
-  checkFactoryConstructor(String className) {
-    var cls = findElement(compiler, className);
-    var element = cls.localLookup(buildSourceString(className));
-    Expect.equals(new TypeMask.nonNullExact(cls.rawType),
-                  typesInferrer.internal.returnTypeOf[element]);
-  }
-  checkFactoryConstructor('A');
+    checkReturnInClass('A', 'returnInt1', typesInferrer.intType);
+    checkReturnInClass('A', 'returnInt2', typesInferrer.intType);
+    checkReturnInClass('A', 'returnInt3', typesInferrer.intType);
+    checkReturnInClass('A', 'returnInt4', typesInferrer.intType);
+    checkReturnInClass('A', 'returnInt5', typesInferrer.intType);
+    checkReturnInClass('A', 'returnInt6', typesInferrer.intType);
+    checkReturnInClass('A', '==', interceptorType);
+
+    checkReturnInClass('B', 'returnInt1', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt2', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt3', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt4', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt5', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt6', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt7', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt8', typesInferrer.intType);
+    checkReturnInClass('B', 'returnInt9', typesInferrer.intType);
+
+    checkFactoryConstructor(String className) {
+      var cls = findElement(compiler, className);
+      var element = cls.localLookup(buildSourceString(className));
+      Expect.equals(new TypeMask.nonNullExact(cls.rawType),
+                    typesInferrer.internal.returnTypeOf[element]);
+    }
+    checkFactoryConstructor('A');
+  });
 }